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/* $OpenBSD: logmsg.c,v 1.1 2016/09/02 16:22:31 benno Exp $ */ |
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/* |
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* Copyright (c) 2009 Claudio Jeker <claudio@openbsd.org> |
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* Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org> |
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* |
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* Permission to use, copy, modify, and distribute this software for any |
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* purpose with or without fee is hereby granted, provided that the above |
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* copyright notice and this permission notice appear in all copies. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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*/ |
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#include <arpa/inet.h> |
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#include <endian.h> |
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#include <event.h> |
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#include <scsi/iscsi.h> |
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#include <stdio.h> |
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#include <string.h> |
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#include <sys/queue.h> |
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#include <sys/socket.h> |
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#include <sys/types.h> |
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#include "iscsid.h" |
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#include "log.h" |
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extern int debug; |
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extern int verbose; |
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void |
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log_hexdump(void *buf, size_t len) |
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{ |
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u_char b[16]; |
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size_t i, j, l; |
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if (!debug) |
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return; |
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for (i = 0; i < len; i += l) { |
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fprintf(stderr, "%4zi:", i); |
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l = sizeof(b) < len - i ? sizeof(b) : len - i; |
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memcpy(b, (char *)buf + i, l); |
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for (j = 0; j < sizeof(b); j++) { |
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if (j % 2 == 0) |
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fprintf(stderr, " "); |
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if (j % 8 == 0) |
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fprintf(stderr, " "); |
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if (j < l) |
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fprintf(stderr, "%02x", (int)b[j]); |
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else |
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fprintf(stderr, " "); |
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} |
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fprintf(stderr, " |"); |
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for (j = 0; j < l; j++) { |
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if (b[j] >= 0x20 && b[j] <= 0x7e) |
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fprintf(stderr, "%c", b[j]); |
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else |
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fprintf(stderr, "."); |
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} |
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fprintf(stderr, "|\n"); |
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} |
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} |
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void |
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log_pdu(struct pdu *p, int all) |
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{ |
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struct iscsi_pdu *pdu; |
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void *b; |
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size_t s; |
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if (!debug) |
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return; |
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if (!(pdu = pdu_getbuf(p, NULL, PDU_HEADER))) { |
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log_debug("empty pdu"); |
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return; |
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} |
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fprintf(stderr, "PDU: op %x%s flags %02x%02x%02x ahs %d len %d\n", |
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ISCSI_PDU_OPCODE(pdu->opcode), ISCSI_PDU_I(pdu) ? " I" : "", |
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pdu->flags, pdu->_reserved1[0], pdu->_reserved1[1], |
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pdu->ahslen, pdu->datalen[0] << 16 | pdu->datalen[1] << 8 | |
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pdu->datalen[2]); |
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fprintf(stderr, " lun %02x%02x%02x%02x%02x%02x%02x%02x itt %u " |
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"cmdsn %u expstatsn %u\n", pdu->lun[0], pdu->lun[1], pdu->lun[2], |
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pdu->lun[3], pdu->lun[4], pdu->lun[5], pdu->lun[6], pdu->lun[7], |
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ntohl(pdu->itt), ntohl(pdu->cmdsn), ntohl(pdu->expstatsn)); |
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log_hexdump(pdu, sizeof(*pdu)); |
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if (all && (b = pdu_getbuf(p, &s, PDU_DATA))) |
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log_hexdump(b, s); |
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} |